pv/views/decoder_output/view.cpp

   1 /*
   2  * This file is part of the PulseView project.
   3  *
   4  * Copyright (C) 2019 Soeren Apel <soeren@apelpie.net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #include <libsigrokdecode/libsigrokdecode.h>
  21
  22 #include <QLabel>
  23 #include <QMenu>
  24 #include <QToolBar>
  25 #include <QVBoxLayout>
  26
  27 #include "view.hpp"
  28
  29 #include "pv/session.hpp"
  30 #include "pv/util.hpp"
  31
  32 using pv::data::SignalBase;
  33 using pv::util::TimeUnit;
  34 using pv::util::Timestamp;
  35
  36 using std::shared_ptr;
  37
  38 namespace pv {
  39 namespace views {
  40 namespace decoder_output {
  41
  42 View::View(Session &session, bool is_main_view, QMainWindow *parent) :
  43         ViewBase(session, is_main_view, parent),
  44
  45         // Note: Place defaults in View::reset_view_state(), not here
  46         signal_selector_(new QComboBox()),
  47         format_selector_(new QComboBox())
  48 {
  49         QVBoxLayout *root_layout = new QVBoxLayout(this);
  50         root_layout->setContentsMargins(0, 0, 0, 0);
  51
  52         // Create toolbar
  53         QToolBar* toolbar = new QToolBar();
  54         toolbar->setContextMenuPolicy(Qt::PreventContextMenu);
  55         parent->addToolBar(toolbar);
  56
  57         // Populate toolbar
  58         toolbar->addWidget(new QLabel(tr("Decoder:")));
  59         toolbar->addWidget(signal_selector_);
  60         toolbar->addSeparator();
  61         toolbar->addWidget(new QLabel(tr("Show data as")));
  62         toolbar->addWidget(format_selector_);
  63
  64         // Add format types
  65         format_selector_->addItem(tr("Hexdump"), qVariantFromValue(QString("text/hexdump")));
  66
  67         reset_view_state();
  68 }
  69
  70 View::~View()
  71 {
  72 }
  73
  74 ViewType View::get_type() const
  75 {
  76         return ViewTypeDecoderOutput;
  77 }
  78
  79 void View::reset_view_state()
  80 {
  81         ViewBase::reset_view_state();
  82 }
  83
  84 void View::clear_signals()
  85 {
  86         ViewBase::clear_signalbases();
  87 }
  88
  89 void View::clear_decode_signals()
  90 {
  91         signal_selector_->clear();
  92         format_selector_->setCurrentIndex(0);
  93 }
  94
  95 void View::add_decode_signal(shared_ptr<data::DecodeSignal> signal)
  96 {
  97         connect(signal.get(), SIGNAL(name_changed(const QString&)),
  98                 this, SLOT(on_signal_name_changed(const QString&)));
  99
 100         signal_selector_->addItem(signal->name(), QVariant::fromValue(signal.get()));
 101 }
 102
 103 void View::remove_decode_signal(shared_ptr<data::DecodeSignal> signal)
 104 {
 105         int index = signal_selector_->findData(QVariant::fromValue(signal.get()));
 106
 107         if (index != -1)
 108                 signal_selector_->removeItem(index);
 109 }
 110
 111 void View::save_settings(QSettings &settings) const
 112 {
 113         (void)settings;
 114 }
 115
 116 void View::restore_settings(QSettings &settings)
 117 {
 118         // Note: It is assumed that this function is only called once,
 119         // immediately after restoring a previous session.
 120         (void)settings;
 121 }
 122
 123 void View::on_signal_name_changed(const QString &name)
 124 {
 125         SignalBase *sb = qobject_cast<SignalBase*>(QObject::sender());
 126         assert(sb);
 127
 128         int index = signal_selector_->findData(QVariant::fromValue(sb));
 129         if (index != -1)
 130                 signal_selector_->setItemText(index, name);
 131 }
 132
 133 } // namespace decoder_output
 134 } // namespace views
 135 } // namespace pv